Produced by the Canadian Mathematical Society and the Department of Mathematics of the University of Toronto.
Please send your solution to
Ms. Valeria Pandelieva
641 Kirkwood Avenue
Ottawa, ON K1Z 5X5
no later than December 30, 2007. It is important that your complete mailing address and your email address appear on the front page. If you do not write your family name last, please underline it.